Solar power bank



FIG. 1 is a front, bottom and right side perspective view of a solar power bank showing my new design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a left side elevational view thereof;

FIG. 5 is a right side elevational view thereof;

FIG. 6 is a top plan view thereof;

FIG. 7 is a bottom plan view thereof; and,

FIG. 8 is a rear, top and left side perspective view thereof.

The broken lines shown in drawings are for the purpose of illustrating portions of the solar power bank and form no part of the claimed design. 

CLAIM I claim the ornamental design for a solar power bank, as shown and described. 